CVE-2015-7515

Severity: medium (CVSS 4.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2016-04-27 · updated 2026-06-17
Weakness: CWE-476

Description

The aiptek_probe function in drivers/input/tablet/aiptek.c in the Linux kernel before 4.4 allows physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) via a crafted USB device that lacks endpoints.

Affected products

Linux kernel: before 4.4; 4.4-rc1, 4.4-rc2, 4.4-rc3, 4.4-rc4, 4.4-rc5, 4.4-rc6 (+2) — fixed in 4.4

How to fix

Upgrade to a fixed version: Linux kernel 4.4. Check the vendor advisory for mitigations.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8e20cf2bce122ce9262d6034ee5d5b76fbb92f96
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
http://www.debian.org/security/2016/dsa-3607
http://www.securityfocus.com/bid/84288
http://www.ubuntu.com/usn/USN-2967-1
http://www.ubuntu.com/usn/USN-2967-2
http://www.ubuntu.com/usn/USN-2968-1
http://www.ubuntu.com/usn/USN-2968-2
http://www.ubuntu.com/usn/USN-2969-1
http://www.ubuntu.com/usn/USN-2970-1

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